The Comet 18000033 is a genuine replacement diaphragm crafted from high-quality nitrile rubber, specifically designed for various Comet agricultural spray pumps. This essential component ensures optimal pump performance, providing excellent resistance to a wide range of agricultural chemicals and fertilizers. Regular replacement of diaphragms is crucial for maintaining pump efficiency, preventing leaks, and extending the lifespan of your Comet pump. This diaphragm is engineered to meet OEM specifications for a perfect fit and reliable operation in demanding spraying applications.